Viral infections and birth defects.
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Biomedical subjects
Publications and source records attributed to G Carlström.
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The incidence of acute infections in eight patients with osteosarcoma who are receiving interferon regularly is currently being compared with the incidence among their family members. Observations thus far indicate that the patients treated with interferon are less frequently and less severely ill than their untreated family contacts. The study is continuing, and the patients will also be observed after discontinuation of interferon treatment. Sera are regularly frozen for future viral serologic tests. The preliminary clinical data indicate that therapy with exogenous interferon may afford protection against common acute infections.
Viral and bacterial infections in 20 children under 3 years of age were studied in a day centre for 12 weeks. Febrile illnesses were found on one occasion in each of 11 children but no serious infection occurred. Pneumococci types 6, 9, or 19 were isolated from all children but more often from those with rhinitis or cough. The individual child had an average of 2 viral infections. Adenovirus types 1, 2, 5, coxsackievirus type B5, herpes simplex virus or respiratory syncytial virus was isolated from 12% of the oropharynx swabs and 40% of the fecal specimens. When a virus was first isolated from the oropharynx, the children were asymptomatic or had only rhinitis in 73% of the cases which might indicate that the dismissing of symptomatic children is of limited value in controlling the spread of infections in a day care centre. Cytomegalovirus was recovered from 22% of the urine specimens. Carrier frequency of cytomegalovirus was 23% in 40 other children attending one of 13 different day care centers. Because asymptomatic cytomegalovirus infections apparently occur frequently among small children in Sweden, it seems reasonable not to take pronounced measures of isolating the children in the relatively few recognized cases of cytomegalovirus infections.
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